2 train accidents
1) Patna rail disaster on 16th April, 1990 which killed nearly 70 people as shuttle train was gutted by fire.
2) In Godhra disaster on 27th February 2002, Sabarmati Express was attacked by communalists who set fire to the train, thereby killing nearly 58 people including women and children. They were burnt to death alive in this clash
2 earthquakes
1) Gujarat Earthquake of January 26, 2001 killed thousands of people
2) Earthquake in West coast of Sumatra caused massive quake in Indian ocean triggering Tsunami which killed 15,000 people in India
2 floods
1) October 2009 floods was considered as the worst in the last 100 years which killed at least 299 people and left nearly 500,000 homeless
2) North India floods of 2013, (Uttarakhand floods) destroyed many lives and created landslides with heavy rainfall